an explanation for what happened. >> i could have upset her with some of the things i've said or the way i acted with not -- being attentive, you know, to her. i know i do that sometimes when i drink. i don't pay a lot of attention. you know? >> reporter: this still doesn't seem like grounds for a gigantic fight. >> no. it got to the point where i think she was -- i upset her. i was really -- i just know she went to go take a bath. >> reporter: which is what she did when she was a little irritated? >> yes. >> reporter: conrad also shared with us how he picked the bathroom lock, not, he said, to confront heidy, but just to apologize. >> she just said get out. i was like, okay. so i just let her be. >> reporter: as for conrad's behavior after police arrived at his door, he said he had good reason for acting that way. >> i was trying to save my wife. i don't know. does that make sense? i just wanted her to live. >> reporter: i get how frantic